| Bulbophyllum pingtungense | Bulbophyllum poilanei | Bulbophyllum polyrrhizum |
| Bulbophyllum psittacoglossum | Bulbophyllum pteroglossum | Bulbophyllum quadrangulum |
| Bulbophyllum reptans | Bulbophyllum retusiusculum | Bulbophyllum riyanum |
| Bulbophyllum rothschildianum | Bulbophyllum rubrolabellum | Bulbophyllum rufinum |
| Bulbophyllum setaceum | Bulbophyllum shanicum | Bulbophyllum shweliense |
| Bulbophyllum spathaceum | Bulbophyllum spathulatum | Bulbophyllum sphaericum |
| Bulbophyllum stenobulbon | Bulbophyllum striatum | Bulbophyllum suavissimum |
| Bulbophyllum subparviflorum | Bulbophyllum sutepense | Bulbophyllum taeniophyllum |
| Bulbophyllum taiwanense | Bulbophyllum tengchongense | Bulbophyllum tokioi |
| Bulbophyllum triste | Bulbophyllum tseanum | Bulbophyllum umbellatum |
| Bulbophyllum unciniferum | Bulbophyllum violaceolabellum | Bulbophyllum wallichii |
| Bulbophyllum wightii | Bulbophyllum yuanyangense | Bulbophyllum yunnanense |
| Bulbostylis | Bulbostylis barbata | Bulbostylis densa |
| Bulbostylis puberula | Bulgari | Bulgaria |
| Bulkhead (partition) | Bull Doctor | Bulla ampulla |
| Bulla orientalis | Bullacta exarata | Bullange |
| BULLDOK | Bulldozer (processor) | Bulldozer微架構 |
| Bulle, Doubs | Bullet | Bullet Brain |
| Bullet for My Valentine | Bullet in a Bible | Bullet In A Bible |
| Bullet物理引擎 | Bulleted list | Bulletin of the American Astronomical Society |
| Bulletin of the School of Oriental and African Studies | Bullets or Ballots | Bulletstorm |
| Bulleyia | Bulleyia yunnanensis | Bullfrog Productions |
| BullGuard | Bullimus | Bullina |
| Bullina lineata | Bullina nobilis | Bullis |
| Bullisichthys caribbaeus | Bullockia maldonadoi | Bullockornis |
| Bullpup | Bully | Bully (video game) |
| Bully (游戏) | Bulnesia sarmientoi | Bulweria bifax |
| Bulweria bulwerii | Bumerang-BM遙控武器站 | BUMP OF CHICKEN |
| Bump.y | BUN | BUNBUN |
| Bundesliga | Bundesverband Musikindustrie | Bundeswehr |
| Bundle | Bunga Citra Lestari | Bungarus |
| Bungarus caeruleus | Bungarus fasciatus | Bungarus multicinctus |
| Bungie | Bungie.net | Bungie工作室 |
| BUNGO -日本文學劇場- | BUNGO -日本文學kinema- | Bunheiro |
| Bunias | Bunias cochlearioides | Bunias orientalis |
| Bunk'd | Bunkamura | Bunkie, Louisiana |
| Bunnell, Florida | Bunny King | BUNNY LOVE/REAL LOVE 2010 |
| Bunny style | Bunny Style! | Bunocephalus aleuropsis |
| Bunocephalus amaurus | Bunocephalus chamaizelus | Bunocephalus colombianus |
| Bunocephalus coracoideus | Bunocephalus doriae | Bunocephalus erondinae |
| Bunocephalus knerii | Bunocephalus larai | Bunocephalus verrucosus |
| Bunolagus monticularis | Bunomys | Bunops serricaudata |
| Bunyaviridae | Bunzo Hayata | Buo |
| Buono! | Buono! Live 2011 winter 〜Re;Buono!〜 | Buono! Live 2011 winter ～Re;Buono!～ |
| Buono! Live Tour 2010 〜Rock'n Buono! 3〜 | Buono! Live Tour 2010 ～Rock'n Buono! 3～ | Buono! Live Tour 2011 summer 〜Rock'n Buono! 4〜 |
| Buono! Live Tour 2011 summer ～Rock'n Buono! 4～ | Buono!2 | Buphthalmum |
| Bupleurum | Bupleurum alatum | Bupleurum angustissimum |
| Bupleurum aureum | Bupleurum bicaule | Bupleurum candollei |
| Bupleurum chaishoui | Bupleurum chinense | Bupleurum commelynoideum |
| Bupleurum condensatum | Bupleurum dalhousieanum | Bupleurum densiflorum |
| Bupleurum dielsianum | Bupleurum euphorbioides | Bupleurum exaltatum |
| Bupleurum gracilipes | Bupleurum gracillimum | Bupleurum kaoi |
| Bupleurum komarovianum | Bupleurum krylovianum | Bupleurum kweichowense |
| Bupleurum malconense | Bupleurum marginatum | Bupleurum microcephalum |
| Bupleurum petiolulatum | Bupleurum pusillum | Bupleurum rockii |
| Bupleurum scorzonerifolium | Bupleurum sibiricum | Bupleurum smithii |
| Bupleurum tenue | Bupleurum tianschanicum | Bupleurum triradiatum |
| Bupleurum wenchuanense | Bupleurum yinchowense | Bupleurum yunnanense |
| Bupropion | Burali-Forti悖論 | Burali-Forti悖论 |
| Burara | Burb. | Burberry |
| Burcin | Bureau | Bureau d'enquêtes et d'analyses pour la sécurité de l'aviation civile |
| Bureau d'Enquêtes et d'Analyses pour la Sécurité de l'Aviation Civile | Bureau international des poids et mesures | Bureau of Narcotics and Dangerous Drugs |
| Burevestnik Airport | Burga | Burgau |
| Burgauberg-Neudauberg | Burgães | Burger King |
| Burgerkill | Burgers-Fisher 方程 | Burgers-KdV方程 |
| Burgess model | Burgkirchen | Burgmüller |
| Burgmuller | Burgo (Arouca) | Burgschleinitz-Kühnring |
| Burhan Ghalioun | Burhinidae | Buri |
| Buriki | Buritama | Buriti Alegre |
| Buriti Bravo | Buriti de Goiás | Buriti do Tocantins |
| Buriti dos Lopes | Buriti dos Montes | Buriticupu |
| Buritinópolis | Buritirama | Buritirana |
| Buritis | Buritizal | Buritizeiro |
| Burj Dubai | Burj khalīfah | Burj Khalifa |
| Burke, South Dakota | Burkholderia | Burkholderia mallei |
| Burkholderia pseudomallei | Burkholderiales | Burkill integral |
| Burlington, Colorado | Burlington, North Dakota | Burlington, Wyoming |
| Burm.f. | Burmannia championii | Burmannia coelestis |
| Burmannia cryptopetala | Burmannia disticha | Burmannia itoana |
| Burmannia liukiuensis | Burmannia nepalensis | Burmannia oblonga |
| Burmannia wallichii | Burmanniaceae | BURN -不滅的FACE- |
| BURN -フメツノフェイス- | Burn After Reading | Burn notice |
| BURN-E | Burnaby | BURNフメツノフェイス |
| Burned | Burnetia | Burnetiidae |
| Burnettown, South Carolina | Burney Treaty | Burning Production |
| BURNING UP | Burnley | Burns, Wyoming |
| Burnside's lemma | Burnside引理 | Burnt Money |
| Burqa | Burqa Band | Burramys |
| Burretiodendron | Burretiodendron esquirolii | Burretiodendron longistipitatum |
| Burrito | Burrows-Wheeler transform | Burrows-Wheeler变换 |
| Burrows-Wheeler轉換 | Bursa bufonia | Bursa cruentata |
| Bursa granularis | Bursa lamarckii | Bursa Malaysia |
| Bursa rhodostoma | Bursa rosa | Bursa tuberosissima |
| Bursaphelenchus | Bursaphelenchus cocophilus | Bursaphelenchus xylophilus |
| Burseraceae | Burstcoin | Burt Bacharach |
| Burt James Totaro | Burt Lancaster | Burt Reynolds |
| Burt's Bees | Burundi | Burwood, New South Wales |
| Burzum | Bus | BUS GAMER |
| Bus Network | Bus Topology | Buscopan |
| Buses in Hong Kong | Bush Hopper | Bushehr |
